Years ago, I was at an R/C boat race. Between heats, a new driver was being tested for his driver's qualification. He had no problem with the oral test but was so nervous he had a hard time driving and was failed on his first attempt. While he was refueling his boat for a second(also final for the day) attempt, one of the guys walked over and asked what was going on. When the rookie gave his answer, the veteran said the guy needed to take three deep breathes before his boat was launched with a double shot of rum between them. The guy laughed so hard he forgot about being tested and ran the required laps with no problem a few minutes later. After the test was over, the veteran walked over and handed an empty rum bottle to the rookie. When asked what the bottle was for, the veteran told him it's what he had used to pass his drivers test several years earlier. The next time a rookie had problems with nerves, the now qualified driver repeated the advice given to him and passed on the bottle. It's been handed off several times since and I, fortunately, never took possession of it